Henry steps onto an elevator at the first floor. He goes up to the 8th floor and then comes down 2 floors. He then goes up 3 floors and down 5 floors. What floor is Henry on? A.2
B.3
C.4
D.5

Cindy uses 1-inch cubes to find the volume of a jewelry box shaped like a rectangular prism. she uses 780 cubes to completely fill the jewelry box with no gaps or overlaps. if the jewelry box is 13 inches long and 5 inches wide, how tall is cindy’s jewelry box?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days